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Forum Discussion
Issue with downstream
I have a very similar issue with the CAX80. The downstream light (the one right under the power light) flashes white until I reboot the modem and then it goes back to normal (solid white) but the is...
You have lots of Correct and Un-correctables that should be zero.
I see errors and some criticals as well in the events log pages that the ISP needs to look into.
Have the ISP check the signal and line quality UP to the modem. Be sure the ISP provisions the modem correctly.
Be sure your using good quality RG6 coax cable up to the modem.
How long is the RG6 cable from the ISP box outside to the modem?
Check for any kinks in the cabling and ensure all jack fittings are snug.
Has a factory reset and setup from scratch been performed?
https://community.netgear.com/t5/Cable-Modems-Routers/General-info-and-Troubleshooting-for-Cable-Modems/m-p/1530376#M12853
https://kb.netgear.com/24311/Power-level-guidelines-for-a-NETGEAR-cable-modem-router?article=24311
https://www.duckware.com/tech/solving-intermittent-cable-modem-issues.html
Does the modem feel overly warm or hot to the touch?
As I stated in my original post, a technician was sent here and checked the line all the way from the connection on the pole into my house and all the way to the modem. He told me that the signal level and quality was fine. As far as the RG6 cable, my ISP furnished and installed it, so I assume it is good quality. The length of the cable from my modem to the box on the outside wall of my house is approximately 15 feet and from there to the pole is approximately 60 feet. The technician also physically inspected the cable and fittings and did not find any issues. He even disconnected all fittings, inspected them, and reconnected them. The only thing I haven't done per your suggestions is the factory reset and I plan to try that soon. Also the modem does not seem to be overly warm or hot. I will report back after I have done the factory reset. Thanks.
Did the tech check the downstream while he was there at the modem? Did you show him the modem?
I recommend placing a laptop cooler under the modem to help for additional cooling.